isovolumetric process

A thermodynamic process where the volume of the gas stays constant (usually because of a rigid container with fixed volume). When heat is added to the system, pressure increases and so will its temperature. When heat is removed from the system, the pressure and temperature will decrease.

An isovolumetric process has the following properties:

$W=0$ $Q=\Delta U=\frac{3}{2}nR\Delta T$ where $\Delta U=n{c}_V\Delta T$, $c_V=\frac{3}{2}R$, and $R$ is the ideal gas constant. $\Delta T=T_B-T_A$ (use the ideal gas law to solve for each T and subtract them).